
Surgical Oncologist
Medical Park Gebze Hospital , Kocaeli, Turkey32 Years of experience
Speaks: Turkish , English
The conditions that Dr. Orhan Celen treats are listed below:
Breast cancer surgery is performed to remove the specific area of cancer in the breasts. The surgeon removes cancer and healthy tissues all around it. You usually have to undergo radiotherapy for the breast after this kind of surgery.
Your symptoms depend on the type of cancer you are affected with, what is the stage, the location of cancer, and how far it has spread in the body. Cancer may cause any type of symptoms or signs. A sign can be seen by others, such as a fever, vomiting, and breathing. Symptoms can be perceived only by the person is suffering from the condition. Around 200 types of cancer are known till date and all these can cause different symptoms. Cancer can produce various symptoms and these can differ from person to person. Some of the signs and symptoms of different types of cancer are as follows:
You can see Dr Orhan Celen between 11 am and 6 pm from Monday to Saturday. The doctor is not available on Sunday.
The below-listed popular procedures for cancer treatment are performed by Dr. Orhan Celen
The doctor has performed a large number of successful procedures for cancer treatment, with a high success rate has received worldwide recognition for their patient-centric approach and holistic approach. Patient safety is the top priority for the doctor who follows all medical protocols and provides care of international standards. There are two types of cancer surgery - minimally invasive surgery and open surgery. In open surgery, a surgical oncologist makes a large incision, to remove the tumor and some of the adjacent healthy tissues. Minimally invasive surgery involves laser surgery, cryosurgery, robotic surgery, laparoscopy, cryosurgery.

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A surgical oncologist is a doctor who removes the tumor and adjacent tissues through surgery. They also perform some types of biopsies to diagnose cancer. In some cases, a surgical oncologist performs surgeries to find out parts of the body where cancer has spread. In special cases, the surgeons do preventive surgeries. Sometimes, additional treatments like chemotherapy or radiation follow surgery. In these cases, surgical oncologists play an important role in providing care to the patients post-surgery.
Some of the most common test performed for the diagnosis of cancer are:
Most cancer patients undergo a biopsy to remove a sample of tissues from a body part for examination by a pathologist so that cancer can be diagnosed.
You should see a surgical oncologist in case your primary care doctor refers you to one. The doctor may also tell you to visit a surgical oncologist for the diagnosis of cancer. Some specialized general surgeons can also perform surgery on various types of cancer. An individual needs to consult a surgical oncologist in case of below situations:

MBBS, MD
7 Years of Experience
Dr. Vishwas Kaushik is a qualified medical professional holding an MBBS from the prestigious Belgorod State University, Russia, with a strong foundation in clinical medicine and healthcare practice. His comprehensive medical training has equipped him with a profound understanding of evidence-based clinical practices, patient-centered care, and the evolving landscape of modern medicine. With a keen interest in medical research and scientific communication, he consistently translates complex clinical concepts into clear, accurate, and accessible content for diverse audiences. His work reflects a deep commitment to advancing medical knowledge, delivering impactful healthcare insights, and bridging the gap between clinical expertise and accessible medical communication. View More
Last Reviewed - January 2026
Dr. Shagufta Parveen is a Clinical researcher and medical writer with expertise in clinical pharmacology and pharmacotherapeutics. She holds a B.Pharm and Doctor of Pharmacy (Post-Baccalaureate) degree from Teerthanker Mahaveer University, Moradabad.
During her clinical stint at BLK-Max Super Speciality Hospital and Indraprastha Apollo Hospital, she gained hands-on experience in the Clinical Pharmacology Department. Combining scientific knowledge with strong medical writing skills, Dr. Shagufta develops evidence-based healthcare content, treatment guides, and patient education resources.
Her work focuses on simplifying complex medical concepts while maintaining scientific accuracy, helping readers better understand healthcare advancements and treatment options.
In addition to her writing expertise, she is actively involved in scientific research and has contributed to peer-reviewed publications.
Her research work is accessible through the following links:
https://scholar.google.com/citations?user=lMVK1eIAAAAJ&hl=en
https://carcinogenesis.com/index.php/JOC/article/view/870
https://carcinogenesis.com/index.php/JOC/article/view/868
https://wjpsronline.com/abstract/0000000760
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